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WO2011044063A3 - Multichannel audio system having audio channel compensation - Google Patents

Multichannel audio system having audio channel compensation Download PDF

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Publication number
WO2011044063A3
WO2011044063A3 PCT/US2010/051371 US2010051371W WO2011044063A3 WO 2011044063 A3 WO2011044063 A3 WO 2011044063A3 US 2010051371 W US2010051371 W US 2010051371W WO 2011044063 A3 WO2011044063 A3 WO 2011044063A3
Authority
WO
WIPO (PCT)
Prior art keywords
audio signal
circuit
psychoacoustically
speaker
compensated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2010/051371
Other languages
French (fr)
Other versions
WO2011044063A2 (en
Inventor
Gilbert Arthur Joseph Soulodre
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Harman International Industries Inc
Original Assignee
Harman International Industries Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Harman International Industries Inc filed Critical Harman International Industries Inc
Priority to KR1020127008791A priority Critical patent/KR101386360B1/en
Priority to CA2773812A priority patent/CA2773812C/en
Priority to CN201080044709.1A priority patent/CN102696244B/en
Priority to JP2012532144A priority patent/JP5535325B2/en
Priority to EP10763570.8A priority patent/EP2486736B1/en
Priority to HK13102846.7A priority patent/HK1175628B/en
Publication of WO2011044063A2 publication Critical patent/WO2011044063A2/en
Publication of WO2011044063A3 publication Critical patent/WO2011044063A3/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S1/00—Two-channel systems
    • H04S1/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S3/00—Systems employing more than two channels, e.g. quadraphonic
    • H04S3/002—Non-adaptive circuits, e.g. manually adjustable or static, for enhancing the sound image or the spatial distribution
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2400/00—Details of stereophonic systems covered by H04S but not provided for in its groups
    • H04S2400/11—Positioning of individual sound objects, e.g. moving airplane, within a sound field
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S7/00—Indicating arrangements; Control arrangements, e.g. balance control
    • H04S7/30—Control circuits for electronic adaptation of the sound field
    • H04S7/305—Electronic adaptation of stereophonic audio signals to reverberation of the listening space

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Stereophonic System (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)

Abstract

A multichannel compensating audio system includes first and second compensation channels to psychoacoustically minimize deviations in a target response, to psychoacoustically move the physical position of a speaker and/or to psychoacoustically provide a substantially equal magnitude of sound from a plurality of speakers in a plurality of different listening positions. The first compensation channel may include a series connected delay circuit, a level adjuster circuit and a frequency equalizer circuit that generates a first compensated audio signal from a first audio signal. The second compensation channel may include a series connected delay circuit, a level adjuster circuit and a frequency equalizer circuit that generates a second compensated audio signal from a second audio signal. A first summing circuit is configured to receive at least the first audio signal and the second compensated audio signal and generate a first output signal for provision to a first speaker. A second summing circuit is configured to recieve the second audio signal and the first compensated audio signal and generate a second output signal for provision to a second speaker. The first and second output signals may be output by the first and second speakers into a listening space and are acoustically percieved by a listener.
PCT/US2010/051371 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation Ceased WO2011044063A2 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
KR1020127008791A KR101386360B1 (en) 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation
CA2773812A CA2773812C (en) 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation
CN201080044709.1A CN102696244B (en) 2009-10-05 2010-10-04 Multi-channel audio system with audio channel compensation
JP2012532144A JP5535325B2 (en) 2009-10-05 2010-10-04 Multi-channel audio system with audio channel compensation
EP10763570.8A EP2486736B1 (en) 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation
HK13102846.7A HK1175628B (en) 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US24876009P 2009-10-05 2009-10-05
US61/248,760 2009-10-05

Publications (2)

Publication Number Publication Date
WO2011044063A2 WO2011044063A2 (en) 2011-04-14
WO2011044063A3 true WO2011044063A3 (en) 2011-10-06

Family

ID=43447738

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2010/051371 Ceased WO2011044063A2 (en) 2009-10-05 2010-10-04 Multichannel audio system having audio channel compensation

Country Status (7)

Country Link
US (2) US9100766B2 (en)
EP (1) EP2486736B1 (en)
JP (1) JP5535325B2 (en)
KR (1) KR101386360B1 (en)
CN (2) CN104618848B (en)
CA (2) CA2941646C (en)
WO (1) WO2011044063A2 (en)

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